Updated documentation to fix a few typos/broken links
Updated documentation to fix a few typos/broken links

gerzhan/json-refs,kogai/json-refs,DanielSchaffer/json-refs,brettz9/json-refs,kogai/json-refs,whitlockjc/json-refs,DanielSchaffer/json-refs,viiopen/json-refs,viiopen/json-refs,gerzhan/json-refs